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Choosing between two smartphones? Use MobilesIQ to compare mobile phone specifications, prices, processors, camera systems, display quality, RAM, storage and battery capacity side by side.
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Specification
OPPO F31 5G
—
—
OPPO K14x 5G
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—
Brand
OPPO
OPPO
Release Date
—
—
Operating System
Android 15
Android 15
Processor
MediaTek Dimensity 6300
MediaTek Dimensity 6300
Processor Speed
Up to 2.4 GHz
Octa-core: 2 × 2.4 GHz + 6 × 2.0 GHz
Screen Size
6.57 inches (approximately 6.5 inches)
6.75 inches (17.15 cm)
Display
AMOLED, flat display
LCD
Resolution
1080 × 2372 pixels (FHD+)
1570 × 720 pixels (HD+)
Refresh Rate
120Hz
120Hz
Brightness
Up to 1,400 nits (high-brightness mode)
700 nits typical; 1125 nits in high-brightness mode
RAM
8GB LPDDR4X
4GB / 6GB LPDDR4X
Storage
8GB + 128GB, 8GB + 256GB
4GB + 64GB, 6GB + 128GB
Battery
7,000 mAh, non-removable
6500 mAh typical
Fast Charging
Yes
Yes
Wireless Charging
No
No
Colour
Cloud Green, Midnight Blue, Bloom Red
Prism Violet, Icy Blue
Rear Camera
50MP main (f/1.8) + 2MP secondary (f/2.4)
50MP main (f/1.8) + 2MP monochrome (f/2.4)
Front Camera
16MP (f/2.4)
5MP (f/2.2)
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Dual Nano-SIM
Dual Nano-SIM
Connectivity
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, NFC
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, USB OTG
Security
In-display fingerprint sensor, face unlock
Side-mounted fingerprint sensor, face unlock
Dimensions
Approximately 158.2 × 75 × 8.0 mm
Approximately 166.6 × 78.5 × 8.6 mm
Weight
185 g
Approximately 212 g
Performance Rating
7.2
7.2
Value Rating
8.0
7.8
Specification
OPPO F31 5G
—
—
OPPO K14x 5G
—
—
Brand
OPPO
OPPO
Release Date
—
—
Operating System
Android 15
Android 15
Processor
MediaTek Dimensity 6300
MediaTek Dimensity 6300
Processor Speed
Up to 2.4 GHz
Octa-core: 2 × 2.4 GHz + 6 × 2.0 GHz
Screen Size
6.57 inches (approximately 6.5 inches)
6.75 inches (17.15 cm)
Display
AMOLED, flat display
LCD
Resolution
1080 × 2372 pixels (FHD+)
1570 × 720 pixels (HD+)
Refresh Rate
120Hz
120Hz
Brightness
Up to 1,400 nits (high-brightness mode)
700 nits typical; 1125 nits in high-brightness mode
RAM
8GB LPDDR4X
4GB / 6GB LPDDR4X
Storage
8GB + 128GB, 8GB + 256GB
4GB + 64GB, 6GB + 128GB
Battery
7,000 mAh, non-removable
6500 mAh typical
Fast Charging
Yes
Yes
Wireless Charging
No
No
Colour
Cloud Green, Midnight Blue, Bloom Red
Prism Violet, Icy Blue
Rear Camera
50MP main (f/1.8) + 2MP secondary (f/2.4)
50MP main (f/1.8) + 2MP monochrome (f/2.4)
Front Camera
16MP (f/2.4)
5MP (f/2.2)
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Dual Nano-SIM
Dual Nano-SIM
Connectivity
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, NFC
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, USB OTG
Security
In-display fingerprint sensor, face unlock
Side-mounted fingerprint sensor, face unlock
Dimensions
Approximately 158.2 × 75 × 8.0 mm
Approximately 166.6 × 78.5 × 8.6 mm
Weight
185 g
Approximately 212 g
Performance Rating
7.2
7.2
Value Rating
8.0
7.8
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